can't remember, but the lite brite that i have i think it's M Sized? the Matin insert i got the black one from Orient Photo. can't remember the model.
but should be this one: Click Here
1 Alpha FF, 2 Lenses, 1 Flash. the bag still had space for my GFLS, TianYa filter kits and cleaning kit. of course, my tripod was slung outside